package ex02.pyrmont;

import javax.servlet.ServletOutputStream;
import javax.servlet.ServletResponse;
import java.io.*;
import java.util.Locale;

/**
 * Created by Administrator on 2016/7/5.
 */
public class Response implements ServletResponse{
    private static final int BUFFER_SIZE = 1024;
    Request request;
    OutputStream output;
    PrintWriter writer;
    /*This method is used to serve static pages*/
    public void sendStaticResource() throws IOException{
        byte[] bytes = new byte[BUFFER_SIZE];
        FileInputStream fis = null;
        try {
        /*request.getUri has been replaced by request.getRequestURi*/
            File file = new File(Constants.WEB_ROOT,request.getUri());
            fis = new FileInputStream(file);
            /*
            * HTTP Response = Status-Line
            *
            * */
            int ch = fis.read(bytes,0,BUFFER_SIZE);
            while (ch != 1){
                output.write(bytes,0,ch);
                ch = fis.read(bytes,0,BUFFER_SIZE);
            }
        } catch (Exception e) {
            String errorMessage = "HTTP/1.1 404 File Not Found\r\n" + "Content-Type: text/html\r\n" + "Content-Length: 23\r\n" + "\r\n" + "<h1>File Not Found</h1>";
            output.write(errorMessage.getBytes());
        } finally {
            if (fis != null) {
                fis.close();
            }
        }
    }

    public void setRequest(Request request) {
        this.request = request;
    }

    @Override
    public String getCharacterEncoding() {
        return null;
    }

    @Override
    public String getContentType() {
        return null;
    }

    @Override
    public ServletOutputStream getOutputStream() throws IOException {
        return null;
    }

    @Override
    public PrintWriter getWriter() throws IOException {
        return null;
    }

    @Override
    public void setCharacterEncoding(String s) {

    }

    @Override
    public void setContentLength(int i) {

    }

    @Override
    public void setContentType(String s) {

    }

    @Override
    public void setBufferSize(int i) {

    }

    @Override
    public int getBufferSize() {
        return 0;
    }

    @Override
    public void flushBuffer() throws IOException {

    }

    @Override
    public void resetBuffer() {

    }

    @Override
    public boolean isCommitted() {
        return false;
    }

    @Override
    public void reset() {

    }

    @Override
    public void setLocale(Locale locale) {

    }

    @Override
    public Locale getLocale() {
        return null;
    }
}
